Business briefs

NEW YORK - Investors resumed their selling Friday on Wall Street, focusing on their fears about the economy and shoving aside their resurgent optimism that business conditions will soon improve.

The Dow Jones industrial average closed down 117.05 at 11,005.37. The Dow was just able to stay above the 11,000 mark, which it reclaimed May 16 after trading below the historic level for eight months.